When Queenies death brings the Doyle empire crashing down, the sisters grow apart, — each taking a different path in life. Then Sharon's world is shattered when her husband, Monty, dies in mysterious circumstances. But is it an accident or murder? As the Doyle sisters pull together to find out what really happened to Monty they enter a world of drugs, dirty money and clean guns, risking their own safety to deal out their own brand of justice. Because, when someone harms the Doyles, they soon realise that these sisters fight as one. After all, blood is thicker than water…